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1.4550

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1.4542 1.4558
#1.4550

Description

1.4550 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 1.4550
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 1.4550
1.4510
1.4511
1.4512
1.4521
1.4529
1.4532
1.4535
1.4539
1.4541
1.4542

Chemical composition(mass fraction)(wt.%) of the 1.4550

 

 

 

 

C  Si 
≤		 Mn 
≤		  P
≤		  S
≤		 Cr   Ni  Mo  Other
 ≤0.08  1.00  2.00  0.045  0.015  17.0-19.0  9.00-12.0  --------  Nb≥10*C≤1.00

Mechanical Properties of steel grade 1.4550

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
259 (≥) 455 (≥) 22 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade 1.4550

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
22 - -     0.32 -  
131 856 - 22.3 241   -  
495 - 43 41.2   131 242

Heat Treatment of steel grade 1.4550

Heat treated : 1139°C - 1634°C

Technological Curves of steel grade 1.4550

Cross Reference Table (Equivalent Grade) of 1.4550

Grade Standard Country Application
W-Nr 1.4550 DIN Germany Stainless steel
1.4550
1.4550(AFNOR) AFNOR France Austenite
1.4542 1.4558
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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